VocabAhead is an online vocabulary learning tool that can be very useful for helping you develop your vocabulary for IELTS.
Vocabulary explanations are accompanied by short videos – 30 to 60 seconds – that make this a very interesting tool to use. The Study Lounge features graded word lists (grades 6-12) and SAT word lists. You can view videos, hear pronunciations, practice, take quizzes, play games, track performance, and more. Experience a sample of vocabulary building videos below.
If you like what you see, head over to VocabAhead to study and expand your IELTS vocabulary. They also have Apple and Android apps for developing vocabulary for specific purposes.